impairment vs scathe

impairment and scathe both are nouns.

Word	Noun	Adjective	Verb	Adverb
impairment	Yes	No	No	No
scathe	Yes	No	No	No

As nouns, scathe is a hypernym of impairment; that is, scathe is a word with a broader meaning than impairment:

Other hypernyms of impairment include damage, harm, hurt.

impairment (noun)	scathe (noun)
damage that results in a reduction of strength or quality	the act of damaging something or someone
the act of making something futile and useless (as by routine)
the occurrence of a change for the worse
the condition of being unable to perform as a consequence of physical or mental unfitness
a symptom of reduced quality or strength